Find the next number in the sequence

5 12 24 36 ?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What always comes into a house through the keyhole?

What part of Turkey has the most feathers?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

What kind of band never plays music?